Home / 12,462.87-17,187.21-9,283.96

Finding the Fourth Proportional to 12,462.87, 17,187.21 and 9,283.96

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Solution

The fourth proportional to 12,462.87, 17,187.21 and 9,283.96 is: 12,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.87 : 17,187.21 = 9,283.96 : x
  2. Step 2: Convert to fraction form
    12,462.87/17,187.21 = 9,283.96/x
  3. Step 3: Cross multiply
    12,462.87x = 17,187.21 × 9,283.96
  4. Step 4: Simplify right side
    12,462.87x = 159,565,327.18
  5. Step 5: Solve for x
    x = 159,565,327.18/12,462.87
  6. Step 6: Final answer
    x = 12,803.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.